install_docker.sh for Ubuntu 16.04 Xenial

install_docker.sh

#!/bin/bash

# 2017/03/31 see follwing URL
#  - https://docs.openstack.org/admin-guide/support-compute.html

ls /etc/.docker-ce
if [ $? -eq 0 ]; then
    exit 0
fi

export DEBIAN_FRONTEND=noninteractive

apt-get update

apt-get install -y \
    apt-transport-https \
    ca-certificates \
    curl \
    software-properties-common

apt-get update

curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -

sudo add-apt-repository \
   "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
   $(lsb_release -cs) \
   stable"

apt-get install -y \
    docker-ce

apt-get update

apt-get install -y \
    docker-compose

touch /etc/.docker-ce